diff --git a/ArduCopter/sensors.pde b/ArduCopter/sensors.pde
index 6b1cdcc112..18df44a760 100644
--- a/ArduCopter/sensors.pde
+++ b/ArduCopter/sensors.pde
@@ -110,7 +110,7 @@ static void read_battery(void)
 		battery_voltage1 = BATTERY_VOLTAGE(analogRead(BATTERY_PIN_1)) * .1 + battery_voltage1 * .9;
 	if(g.battery_monitoring == 4) {
 		current_amps1	 = CURRENT_AMPS(analogRead(CURRENT_PIN_1)) * .1 + current_amps1 * .9; 	//reads power sensor current pin
-		current_total1	 += current_amps1 * 0.0002778;				// .0002778 is 1/3600 (conversion to hours)
+		current_total1	 += current_amps1 * 0.02778;	// called at 100ms on average, .0002778 is 1/3600 (conversion to hours)
 	}
 
 	#if BATTERY_EVENT == 1